Frontend site editing without having to know about the backend

[SUUD6501]

HI,
This topic was started in Developers Discussion forum by Benjamin Ter Kuile.
http://forum.cmsmadesimple.org/index.php/topic,14062.0.html
First of all, thanks to Benjamin Ter Kuile. I have already tested all the changes in CMSMS version samoa 1.1 and Frontend users module version 1.2.0, it's working. It was easy to change the content because his name were in.

Benjamin changed content of few pages :
modules/Frontendusers/action.do_login.php
modules/frontendusers/action.logout.php
modules/frontendusers/lang/en_US.php
plugins/function.edit.php
admin/header.php
admin/editcontent.php

But now I would like to implement it in CMSMS version 1.5.2 Caguas, Frontend users module version 1.6.2 and I can't, the content of  pages which Benjamin changed are not the same. His name isn't in the content anymore.
What can I do now ?
Many thanks for your help